- Make your bookmarks toolbar visible (on Firefox with Alt > View > Toolbars > Bookmarks Toolbar > Always Show).
- Right click on the toolbar > Add Bookmark...
- On the "Name" field enter
Summarize YT
. - On the "URL" field enter the code below.
javascript:location.href='https://summarize.tech/'+document.location.href;
Whenever you are on YouTube watching a video you want to summarize, click on the bookmarklet on your bookmarks toolbar.